Question

Tincture of iodine is a mixture of __________ in __________.

• A. Iodine
• B. ethyl alcohol

Answer 1

Mixture:

In chemistry, when two or more substances are together without having any chemical change, then the final substance is known as a mixture.

For example a mixture of salt and water.

Tincture of iodine:

• The tincture of iodine is also a mixture of Iodine$\left(\mathrm{I}\right)$ and Ethyl alcohol$\left({\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}\right)$.
• The tincture of iodine is a powerful antiseptic.
• $2or3\%$ solution of iodine in the alcohol-water mixture is called a tincture of iodine.

Therefore, the tincture of iodine is a mixture of iodine in ethyl alcohol.